"I’m a Sentientist because all suffering matters morally and because evidence and reason are the only ways to really understand our world."
Peter is a moral philosopher. He is the Ira W. DeCamp Professor of Bioethics at Princeton University and a Laureate Professor at the Centre for Applied Philosophy and Public Ethics at the University of Melbourne. He specialises in applied ethics and approaches ethical issues from a secular, utilitarian perspective. He is known in particular for his book Animal Liberation (1975), in which he argues in favour of veganism, and his essay "Famine, Affluence, and Morality", in which he argues in favour of donating to help the global poor.
In 2004 Peter was recognised as the Australian Humanist of the Year by the Council of Australian Humanist Societies. In 2005, the Sydney Morning Herald placed him among Australia's ten most influential public intellectuals. Singer is a cofounder of Animals Australia and the founder of The Life You Can Save.